code: def __getFeed(self):
      # Load the feed and process all bars.
      barFeed = yahoofeed.Feed()
      barFeed.addBarsFromCSV(
          LineBreakTestCase.Instrument,
          common.get_data_file_path("orcl-2001-yahoofinance.csv"),
      )
      return barFeed
  
file_path: pyalgotrade/testcases/technical_linebreak_test.py
imports: import datetime
  from .None import common
  from pyalgotrade.technical import linebreak
  from pyalgotrade.barfeed import yahoofeed
  from pyalgotrade import dataseries
  from pyalgotrade import bar
  from pyalgotrade.dataseries import bards
label_desc: Use image node_id 1 for calling the LineBreakTestCase obj's underlying member method code with example usage: obj.__getFeed() and returns: barFeed